| /* SPDX-License-Identifier: GPL-2.0 */ |
| #include <linux/bitops.h> |
| #include <linux/device.h> |
| #include <linux/regmap.h> |
| |
| /* BMP280 specific registers */ |
| #define BMP280_REG_HUMIDITY_LSB 0xFE |
| #define BMP280_REG_HUMIDITY_MSB 0xFD |
| #define BMP280_REG_TEMP_XLSB 0xFC |
| #define BMP280_REG_TEMP_LSB 0xFB |
| #define BMP280_REG_TEMP_MSB 0xFA |
| #define BMP280_REG_PRESS_XLSB 0xF9 |
| #define BMP280_REG_PRESS_LSB 0xF8 |
| #define BMP280_REG_PRESS_MSB 0xF7 |
| |
| #define BMP280_REG_CONFIG 0xF5 |
| #define BMP280_REG_CTRL_MEAS 0xF4 |
| #define BMP280_REG_STATUS 0xF3 |
| #define BMP280_REG_CTRL_HUMIDITY 0xF2 |
| |
| /* Due to non linear mapping, and data sizes we can't do a bulk read */ |
| #define BMP280_REG_COMP_H1 0xA1 |
| #define BMP280_REG_COMP_H2 0xE1 |
| #define BMP280_REG_COMP_H3 0xE3 |
| #define BMP280_REG_COMP_H4 0xE4 |
| #define BMP280_REG_COMP_H5 0xE5 |
| #define BMP280_REG_COMP_H6 0xE7 |
| |
| #define BMP280_REG_COMP_TEMP_START 0x88 |
| #define BMP280_COMP_TEMP_REG_COUNT 6 |
| |
| #define BMP280_REG_COMP_PRESS_START 0x8E |
| #define BMP280_COMP_PRESS_REG_COUNT 18 |
| |
| #define BMP280_FILTER_MASK (BIT(4) | BIT(3) | BIT(2)) |
| #define BMP280_FILTER_OFF 0 |
| #define BMP280_FILTER_2X BIT(2) |
| #define BMP280_FILTER_4X BIT(3) |
| #define BMP280_FILTER_8X (BIT(3) | BIT(2)) |
| #define BMP280_FILTER_16X BIT(4) |
| |
| #define BMP280_OSRS_HUMIDITY_MASK (BIT(2) | BIT(1) | BIT(0)) |
| #define BMP280_OSRS_HUMIDITIY_X(osrs_h) ((osrs_h) << 0) |
| #define BMP280_OSRS_HUMIDITY_SKIP 0 |
| #define BMP280_OSRS_HUMIDITY_1X BMP280_OSRS_HUMIDITIY_X(1) |
| #define BMP280_OSRS_HUMIDITY_2X BMP280_OSRS_HUMIDITIY_X(2) |
| #define BMP280_OSRS_HUMIDITY_4X BMP280_OSRS_HUMIDITIY_X(3) |
| #define BMP280_OSRS_HUMIDITY_8X BMP280_OSRS_HUMIDITIY_X(4) |
| #define BMP280_OSRS_HUMIDITY_16X BMP280_OSRS_HUMIDITIY_X(5) |
| |
| #define BMP280_OSRS_TEMP_MASK (BIT(7) | BIT(6) | BIT(5)) |
| #define BMP280_OSRS_TEMP_SKIP 0 |
| #define BMP280_OSRS_TEMP_X(osrs_t) ((osrs_t) << 5) |
| #define BMP280_OSRS_TEMP_1X BMP280_OSRS_TEMP_X(1) |
| #define BMP280_OSRS_TEMP_2X BMP280_OSRS_TEMP_X(2) |
| #define BMP280_OSRS_TEMP_4X BMP280_OSRS_TEMP_X(3) |
| #define BMP280_OSRS_TEMP_8X BMP280_OSRS_TEMP_X(4) |
| #define BMP280_OSRS_TEMP_16X BMP280_OSRS_TEMP_X(5) |
| |
| #define BMP280_OSRS_PRESS_MASK (BIT(4) | BIT(3) | BIT(2)) |
| #define BMP280_OSRS_PRESS_SKIP 0 |
| #define BMP280_OSRS_PRESS_X(osrs_p) ((osrs_p) << 2) |
| #define BMP280_OSRS_PRESS_1X BMP280_OSRS_PRESS_X(1) |
| #define BMP280_OSRS_PRESS_2X BMP280_OSRS_PRESS_X(2) |
| #define BMP280_OSRS_PRESS_4X BMP280_OSRS_PRESS_X(3) |
| #define BMP280_OSRS_PRESS_8X BMP280_OSRS_PRESS_X(4) |
| #define BMP280_OSRS_PRESS_16X BMP280_OSRS_PRESS_X(5) |
| |
| #define BMP280_MODE_MASK (BIT(1) | BIT(0)) |
| #define BMP280_MODE_SLEEP 0 |
| #define BMP280_MODE_FORCED BIT(0) |
| #define BMP280_MODE_NORMAL (BIT(1) | BIT(0)) |
| |
| /* BMP180 specific registers */ |
| #define BMP180_REG_OUT_XLSB 0xF8 |
| #define BMP180_REG_OUT_LSB 0xF7 |
| #define BMP180_REG_OUT_MSB 0xF6 |
| |
| #define BMP180_REG_CALIB_START 0xAA |
| #define BMP180_REG_CALIB_COUNT 22 |
| |
| #define BMP180_MEAS_SCO BIT(5) |
| #define BMP180_MEAS_TEMP (0x0E | BMP180_MEAS_SCO) |
| #define BMP180_MEAS_PRESS_X(oss) ((oss) << 6 | 0x14 | BMP180_MEAS_SCO) |
| #define BMP180_MEAS_PRESS_1X BMP180_MEAS_PRESS_X(0) |
| #define BMP180_MEAS_PRESS_2X BMP180_MEAS_PRESS_X(1) |
| #define BMP180_MEAS_PRESS_4X BMP180_MEAS_PRESS_X(2) |
| #define BMP180_MEAS_PRESS_8X BMP180_MEAS_PRESS_X(3) |
| |
| /* BMP180 and BMP280 common registers */ |
| #define BMP280_REG_CTRL_MEAS 0xF4 |
| #define BMP280_REG_RESET 0xE0 |
| #define BMP280_REG_ID 0xD0 |
| |
| #define BMP180_CHIP_ID 0x55 |
| #define BMP280_CHIP_ID 0x58 |
| #define BME280_CHIP_ID 0x60 |
| #define BMP280_SOFT_RESET_VAL 0xB6 |
| |
| /* BMP280 register skipped special values */ |
| #define BMP280_TEMP_SKIPPED 0x80000 |
| #define BMP280_PRESS_SKIPPED 0x80000 |
| #define BMP280_HUMIDITY_SKIPPED 0x8000 |
| |
| /* Regmap configurations */ |
| extern const struct regmap_config bmp180_regmap_config; |
| extern const struct regmap_config bmp280_regmap_config; |
| |
| /* Probe called from different transports */ |
| int bmp280_common_probe(struct device *dev, |
| struct regmap *regmap, |
| unsigned int chip, |
| const char *name, |
| int irq); |
| int bmp280_common_remove(struct device *dev); |
| |
| /* PM ops */ |
| extern const struct dev_pm_ops bmp280_dev_pm_ops; |